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Guanidine-catalysed as5mimetric Julia epoxidation.

Guanidine-catalysed asymmetric Mannich reactions.

Guanidine-catalysed Diels TUder reactions of anthrones.

Guanidine-catalysed modified Strecker reaction reported by Corey and Grogan.

Guanidine-catalyzed asymmetric isomerization of 3-alkynoates to allenoates.

Guanidine-catalyzed asymmetric Michael addition of a-fluoro-P-ketoesters to imide derivatives

Guanidine-catalyzed asymmetric Michael-addition of tert.-butyl diphenyliminoacetate with ethyl acrylate .

Guanidine-catalyzed enantioselective amination of a-ketoesters.

Guanidine-catalyzed enantioselective cycloaddition.

Guanidine-catalyzed Strecker reactions of aldimines.

Guanidiniocarbonyl -1 -pyrrole-2-carboxylate, its various ionic forms and proposed dimeric structure adopted in DMSO solution.

Guanidiniocarbonyl pyrrole-2-carboxylate tris

Guanidiniocarbonylpyrrole with proposed solution and solid-state acetate binding modes.

Guanidinium cation as represented in chlorhexidine molecule, and one form of tautom-erism

Guanidinium phosphine

Guanidinium-catalyzed conjugate addition reactions of pyrrolidine.

Guanidinium-sulfonate network.

Guanidinium-thiourea-catalyzed Mannich reactions.

Guanidinium-thiourea-catalyzed nitroaldol reactions.

Guanidinopyrimidinone compounds.

Guanidinum hosts as polyanion sensors.

Guanidinyl-pyrrolidine organocatalysts 2g-i for direct conjugate additions.

Guanine bound to a phospho-ribosyl transferase .

Guanine can be recognized by the side-chains of arginine, aspartic and glutamic acids, asparagine, glutamine, in a variety of combinations. Only those interactions with two hydrogen bonds are drawn

Guanine HC1,2H20 i, inversion center

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